Rob
Perhaps under the Acts of Parliament listed here.
See page 189.
https://books.google.ca/books?id=VuERAAAAYAAJ&pg=PA189&dq=
See page 120.
https://books.google.ca/books?id=zjdFAAAAYAAJ&pg=PA120&dq=
The commissions bear date of 25 December 1813. The officers were placed on half pay in 1814.
See page 670 on. Army list 1816.
https://babel.hathitrust.org/cgi/pt?id=uc1.b2997880;view=1up;seq=650
Good hunting.
Ron